Iara Lima

When we think of the Amazon, what comes to mind?

Dense forest. Giant trees. Untouched nature, far from human presence.

For a long time, that is how we learned to imagine the largest tropical forest on the planet. But archaeology, ecology, and anthropology have been showing that this image is incomplete.

The Amazon remains one of the most biodiverse places in the world. It covers about seven million square kilometers, of which approximately 60% are within Brazilian territory. Its rivers have different characteristics, its rains shape the rhythm of life, and thousands of species share this immense mosaic of forests.

What perhaps not everyone knows is that this landscape also bears the mark of those who have lived there for thousands of years.

Long before the arrival of Europeans, different Indigenous peoples already managed the forest with care. They selected species, planted useful trees, opened clearings, protected certain environments, and transformed the landscape over many generations.

One of the greatest testimonies to this knowledge is the so called terra preta (dark earth).

These are extremely fertile soils, rich in organic matter, charcoal, ceramic fragments, and plant remains produced by the continuous accumulation of waste and by management carried out over centuries. In a region where soils are often nutrient poor, these areas remain productive to this day.

It was not a coincidence of nature.

It was technology.

Another example lies in the plants that are part of our diet. Cassava, peach palm, cacao, different varieties of peppers, pineapple, Brazil nuts, and several other species went through processes of selection and domestication carried out by Indigenous peoples long before European colonization.

When we think of agriculture, we often imagine large plantations organized in straight lines. The Amazon forest teaches us another possibility.

It is possible to cultivate without destroying. It is possible to produce by increasing diversity, not decreasing it.

That is why many researchers prefer to say that the Amazon is not an untouched forest. It is a deeply managed forest.

This shift in perspective also changes the way we look at Indigenous peoples. They no longer appear merely as inhabitants of the forest and come to be recognized as landscape builders, guardians of ecological knowledge, and protagonists of a history that began long before 1500.

Law No. 11,645 of 2008 made the teaching of Indigenous history and cultures mandatory in Brazilian schools. Yet many of these discoveries remain little known outside academia.

Perhaps because it is easier to imagine an empty forest than to recognize that it holds the memory of thousands of years of human presence.

And perhaps that is precisely the greatest lesson of the Amazon.

Nature and culture were never separate.

The trees also tell stories.

The soil also holds memory.

And walking through the forest is, in a way, walking through a living library written not on paper, but in seeds, roots, and rivers.